222101021020122 has 32 divisors (see below), whose sum is σ = 504059054803200. Its totient is φ = 72458489126304.

The previous prime is 222101021020111. The next prime is 222101021020127. The reversal of 222101021020122 is 221020120101222.

It is a happy number.

222101021020122 is a `hidden beast` number, since 2 + 221 + 0 + 10 + 210 + 201 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 222101021020095 and 222101021020104.

It is not an unprimeable number, because it can be changed into a prime (222101021020127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43755123747 + ... + 43755128822.

It is an arithmetic number, because the mean of its divisors is an integer number (15751845462600).

Almost surely, 2^{222101021020122} is an apocalyptic number.

222101021020122 is an abundant number, since it is smaller than the sum of its proper divisors (281958033783078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222101021020122 is a wasteful number, since it uses less digits than its factorization.

222101021020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87510252627 (or 87510252621 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222101021020122 its reverse (221020120101222), we get a palindrome (443121141121344).

The spelling of 222101021020122 in words is "two hundred twenty-two trillion, one hundred one billion, twenty-one million, twenty thousand, one hundred twenty-two".